Huawei E398 schematics SF_E398_A4_C_L3_1.0.pdf

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IO_REG

BL_5V

VBUCK

H

G

U1301

J

U900

B

F

D

L4

W2

U1

R2

W1

N2 N1

M3

H2

F2

E1

B6

B5

B4

C

E

I

A

8489233N10

WDOG

V1

GA_VCC

REF_REG

RF_5V_REG

E 398

A

B

C

D

E

F

AUDIO_IN

AUDIO_OUT

INT_MIC

HS_OUT_L (Alert L)

ALERT - (Alert R)

ALERT + (Alert R)

G

H

I

J

HJACK_SPKR_R

HJACK_SPKR_L

HJACK_MIC

CLK_32KHz

GSM SERVICE SUPPORT GROUP

Level 3 Signal Flow

E 398

Alexander Buehler, Michael Hansen

REVISIONS

2004.06.04

Rev. 1.0

8489233N10

Page 1 of 2

TX_CP

TX_MOD

J

I

A

B4

B

D4

A4

U800

U700

E3

E

F

38

39

35

30 29 28 27

24

22

D5

B5

B8

D8

2

B9

A9

1

44

47

U150

A8

20

19

17

16

14

13

4

5

FL100

H

G

29 27 25

23

D

12

15

16

25

4

U300

U50

21

6

C

8489233N10

BTIO_REG

BTRF_REG

AOC_DRIVE

E 398

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